CVE-2022-49768
9p: trans_fd/p9_conn_cancel: drop client lock earlier
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 4.9.334, 4.14.300, 4.19
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
In the Linux kernel, the following vulnerability has been resolved: 9p: trans_fd/p9_conn_cancel: drop client lock earlier syzbot reported a double-lock here and we no longer need this lock after requests have been moved off to local list: just drop the lock earlier.
Timeline
- CVE published
- Record last updated
Affected versions
- Linux Linux
From 4.9.127 · fixed in 4.9.334; From 4.14.70 · fixed in 4.14.300; From 4.18.8 · fixed in 4.19
- Linux Linux
4.19
References 8
git.kernel.org
- stable/c/82825dbf393f7c7979d462f9609a15bde8092b3f
- stable/c/e3031280fe4eaf61a09e60823331f81f321be8e1
- stable/c/fec1406f5e7ab20b71f6d231792b0040e3300aaf
- stable/c/96760723aae1b45f733f702abb4333137143909f
- stable/c/f14858bc77c567e089965962877ee726ffad0556
- stable/c/a4f1a01b2e81378fce9ca528d4d8a049e4b58fcd
- stable/c/612c977f5d481f551d03d83d0aef588845c1300c
- stable/c/52f1c45dde9136f964d63a77d19826c8a74e2c7f